Roland MA-4 User Manual

Key safety guidelines for product operation, including water proximity, ventilation, and proper servicing.

Specific safety advice for electrical connections, including polarized plugs and mains lead wiring.

Explanation of warning and caution symbols used in the manual for user safety.

Key operational safety rules, including cord care, placement, and child safety.

Details the MA-4 as a bass reflex monitor amp with 7 cm speaker and 4W+4W output.

Emphasizes sound field depth and spaciousness for a three-dimensional character.

Provides stereo mini jack and RCA phono jacks for flexible device connectivity.

Highlights the ability to receive two different signals simultaneously via separate inputs.

Features Bass/Treble knobs for independent adjustment of bass and treble frequencies.

Advice on avoiding line noise and ensuring proper power sequencing for connected devices.

Recommendations for unit placement to avoid hum, heat, and direct sunlight.

Instructions for cleaning the unit using soft cloths and mild detergents, avoiding solvents.

Tips on handling controls, cables, heat radiation, volume levels, and transportation.

Diagrams and labels for the front and rear of the left channel unit, including speaker connection.

Details controls like Presence, Bass, Treble, and Volume on the right channel's front panel.

Identifies rear panel connectors for the right channel, including power and inputs.

Description of the 'SPEAKER FROM RIGHT' input jack for the left channel unit.

Detailed explanation of the STEREO PRESENCE, BASS, TREBLE, and VOLUME knobs.

Description of the Power Indicator, INPUT 1, and INPUT 2 jacks on the right channel.

Description of the 'SPEAKER TO LEFT' output jack on the right channel unit.

Guidance on connecting the R channel speaker to the L channel speaker using the supplied cord.

Instructions for connecting instruments, sound modules, and CD players via mini and RCA jacks.

Instructions for setting knobs before connecting power and turning on the unit.

Steps for connecting power, turning the unit on, and adjusting the volume.

Guidance on adjusting Stereo Presence, Bass, and Treble for desired sound.

Lists rated power output, speaker type, and enclosure details.

Specifies nominal input level, impedance, and sensitivity of the unit.

Details the available controls, power indicator, and various input/output connectors.

Provides physical dimensions and weight for both left and right channels.

Lists accessories provided with the unit, such as manuals and cables.